AMBARI-5850. Disable debian for 1.6.1.(xiwang)

ambari-web/app/config.js

@@ -75,7 +75,7 @@ App.supports = {
   autoRollbackHA: false,
   appTimelineServer: true,
   jobs: true,
-  ubuntu: true,
+  ubuntu: false,
   views: false,
   flume: false
 };